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  1. Hemophilia - Symptoms and causes - Mayo Clinic

    Aug 29, 2023 · Hemophilia is a rare disorder in which the blood doesn't clot in the typical way because it doesn't have enough blood-clotting proteins (clotting factors). If you have hemophilia, you might …

  2. About Hemophilia | Hemophilia | CDC

    Mar 5, 2025 · Hemophilia is a bleeding disorder in which blood does not clot properly. Hemophilia A and B are the most common types. Clotting factor tests are used to help diagnose hemophilia. …

  3. Haemophilia - Wikipedia

    There are two main types of haemophilia: haemophilia A, which occurs due to low amounts of clotting factor VIII, and haemophilia B, which occurs due to low levels of clotting factor IX. [2] . They are …

  4. Hemophilia: Types, Causes, Symptoms, and Diagnosis - Healthline

    Mar 20, 2025 · Hemophilia is an inherited bleeding disorder. Learn about types, causes, symptoms, treatment, and more.

  5. Hemophilia - Harvard Health

    Jun 10, 2025 · What is hemophilia? Hemophilia is an inherited disorder. It prevents blood from clotting properly. People with hemophilia bleed longer than usual. This bleeding can range from mild to …

  6. Hemophilia is a bleeding disorder that develops when blood does not clot properly. This can cause bleeding with no obvious cause or heavy bleeding after surgery or injuries. Proteins in the blood …

  7. Hemophilia - Hematology and Oncology - Merck Manual Professional …

    Hemophilias are common hereditary bleeding disorders caused by deficiencies of either clotting factor VIII or IX. The extent of factor deficiency determines the probability and severity of bleeding. …

  8. What Is Hemophilia? - Cleveland Clinic

    Hemophilia is a rare inherited condition that causes prolonged bleeding. It happens when you don’t have enough proteins (clotting factors ) in your blood, so your blood doesn’t form clots.

  9. Hemophilia - Health Encyclopedia - University of Rochester Medical …

    Hemophilia C is a problem with factor 11. It usually doesn’t cause spontaneous bleeding.

  10. Hemophilia - StatPearls - NCBI Bookshelf

    Both hemophilia A and B result from factor VIII and factor IX protein deficiency or dysfunction, respectively, and are characterized by prolonged and excessive bleeding after minor trauma or …